factorial.py

import os
from datetime import datetime, timedelta

last_month = datetime.now() - timedelta(days=30)
last_month_timestamp = int(last_month.timestamp())

command = f"last -t {last_month_timestamp}"
output = os.popen(command).read()
print(output)

lines = output.strip().split('\n')
login_count = len(lines) -1       
print(f"\nNombre de connexions depuis le mois dernier: {login_count}")